'use strict'

import { some } from 'min-dash'

// const some = some
// const some = require('min-dash').some

const ALLOWED_TYPES = {
  FailedJobRetryTimeCycle: [
    'bpmn:StartEvent',
    'bpmn:BoundaryEvent',
    'bpmn:IntermediateCatchEvent',
    'bpmn:Activity'
  ],
  Connector: ['bpmn:EndEvent', 'bpmn:IntermediateThrowEvent'],
  Field: ['bpmn:EndEvent', 'bpmn:IntermediateThrowEvent']
}

function is(element, type) {
  return element && typeof element.$instanceOf === 'function' && element.$instanceOf(type)
}

function exists(element) {
  return element && element.length
}

function includesType(collection, type) {
  return (
    exists(collection) &&
    some(collection, function (element) {
      return is(element, type)
    })
  )
}

function anyType(element, types) {
  return some(types, function (type) {
    return is(element, type)
  })
}

function isAllowed(propName, propDescriptor, newElement) {
  const name = propDescriptor.name,
    types = ALLOWED_TYPES[name.replace(/flowable:/, '')]

  return name === propName && anyType(newElement, types)
}

function FlowableModdleExtension(eventBus) {
  eventBus.on(
    'property.clone',
    function (context) {
      const newElement = context.newElement,
        propDescriptor = context.propertyDescriptor

      this.canCloneProperty(newElement, propDescriptor)
    },
    this
  )
}

FlowableModdleExtension.$inject = ['eventBus']

FlowableModdleExtension.prototype.canCloneProperty = function (newElement, propDescriptor) {
  if (isAllowed('flowable:FailedJobRetryTimeCycle', propDescriptor, newElement)) {
    return (
      includesType(newElement.eventDefinitions, 'bpmn:TimerEventDefinition') ||
      includesType(newElement.eventDefinitions, 'bpmn:SignalEventDefinition') ||
      is(newElement.loopCharacteristics, 'bpmn:MultiInstanceLoopCharacteristics')
    )
  }

  if (isAllowed('flowable:Connector', propDescriptor, newElement)) {
    return includesType(newElement.eventDefinitions, 'bpmn:MessageEventDefinition')
  }

  if (isAllowed('flowable:Field', propDescriptor, newElement)) {
    return includesType(newElement.eventDefinitions, 'bpmn:MessageEventDefinition')
  }
}

// module.exports = FlowableModdleExtension;
export default FlowableModdleExtension

// "use strict";

// import { isFunction, isObject, some } from 'min-dash'

// var ALLOWED_TYPES = {
//   FailedJobRetryTimeCycle: ["bpmn:StartEvent", "bpmn:BoundaryEvent", "bpmn:IntermediateCatchEvent", "bpmn:Activity"],
//   Connector: ["bpmn:EndEvent", "bpmn:IntermediateThrowEvent"],
//   Field: ["bpmn:EndEvent", "bpmn:IntermediateThrowEvent"]
// };

// function is(element, type) {
//   return element && typeof element.$instanceOf === "function" && element.$instanceOf(type);
// }

// function exists(element) {
//   return element && element.length;
// }

// function includesType(collection, type) {
//   return (
//     exists(collection) &&
//     some(collection, function(element) {
//       return is(element, type);
//     })
//   );
// }

// function anyType(element, types) {
//   return some(types, function(type) {
//     return is(element, type);
//   });
// }

// function isAllowed(propName, propDescriptor, newElement) {
//   var name = propDescriptor.name,
//     types = ALLOWED_TYPES[name.replace(/flowable:/, "")];

//   return name === propName && anyType(newElement, types);
// }

// function FlowableModdleExtension(eventBus) {
//   eventBus.on(
//     "property.clone",
//     function(context) {
//       var newElement = context.newElement,
//         propDescriptor = context.propertyDescriptor;

//       this.canCloneProperty(newElement, propDescriptor);
//     },
//     this
//   );
// }

// FlowableModdleExtension.$inject = ["eventBus"];

// FlowableModdleExtension.prototype.canCloneProperty = function(newElement, propDescriptor) {
//   if (isAllowed("flowable:FailedJobRetryTimeCycle", propDescriptor, newElement)) {
//     return (
//       includesType(newElement.eventDefinitions, "bpmn:TimerEventDefinition") ||
//       includesType(newElement.eventDefinitions, "bpmn:SignalEventDefinition") ||
//       is(newElement.loopCharacteristics, "bpmn:MultiInstanceLoopCharacteristics")
//     );
//   }

//   if (isAllowed("flowable:Connector", propDescriptor, newElement)) {
//     return includesType(newElement.eventDefinitions, "bpmn:MessageEventDefinition");
//   }

//   if (isAllowed("flowable:Field", propDescriptor, newElement)) {
//     return includesType(newElement.eventDefinitions, "bpmn:MessageEventDefinition");
//   }
// };

// // module.exports = FlowableModdleExtension;
// export default FlowableModdleExtension
